facebookarchive/inject

An extensible iOS and OS X animation library, useful for physics-based interactions.

22,506

pop

Objective-C++

19,716

flux

Application Architecture for Building User Interfaces

A JavaScript bundle optimizer.

17,397

prepack

Smooth asynchronous user interfaces for iOS apps.

14,271

AsyncDisplayKit

Objective-C++

13,447

stetho

Stetho is a debug bridge for Android applications, enabling the powerful Chrome Developer Tools and much more.

An easy way to add a simple, shimmering effect to any view in an iOS app.

12,653

Shimmer

Create amazing 360 and VR content using React

9,375

react-360

Caffe2 is a lightweight, modular, and scalable deep learning framework.

8,702

caffe2

Shell

8,420

nuclide

An open IDE for web and native mobile development, built on top of Atom

Simple, modern, thread-safe key-value observing for iOS and OS X.

7,816

KVOController

Three20 is an Objective-C library for iPhone developers

7,359

three20

An extension for Apple's xcodebuild that makes it easier to test iOS and macOS apps.

7,265

xctool

Platform to host Capture the Flag competitions

6,954

fbctf

Hack

6,495

rebound

A Java library that models spring dynamics and adds real world physics to your app.

A library for converting Adobe AE shape based animations to a data format and playing it back on Android and iOS devices.

5,444

Keyframes

An easy, flexible way to add a shimmering effect to any view in an Android app.

5,343

shimmer-android

Graceful restart & zero downtime deploy for Go servers.

5,265

grace

4,899

Tweaks

An easy way to fine-tune, and adjust parameters for iOS apps in development.

Augmented Traffic Control: A tool to simulate network conditions

4,751

augmented-traffic-control

A React table component designed to allow presenting thousands of rows of data.

4,331

fixed-data-table

A WebDriver server for iOS that runs inside the Simulator.

4,314

WebDriverAgent

A testing system for catching visual regressions in Web applications.

4,096

huxley

Codemod is a tool/library to assist you with large-scale codebase refactors that can be partially automated but still require human oversight and occasional intervention. Codemod was developed at Facebook and released as open source.

4,086

codemod

Scribe is a server for aggregating log data streamed in real time from a large number of servers.

4,069

scribe

iOS tool that helps with profiling iOS Memory usage.

3,932

FBMemoryProfiler

Automatically mention potential reviewers on pull requests.

3,417

mention-bot

This SDK is deprecated. Find the new SDK here: https://github.com/facebook/facebook-php-sdk-v4

3,371

facebook-php-sdk

PHP

3,289

origami

A Quartz Composer framework that enables interactive design prototyping without programming.

RakNet is a cross platform, open source, C++ networking engine for game programmers.

3,280

RakNet

HTML

3,211

network-connection-class

Listen to current network traffic in the app and categorize the quality of the network.

Beringei is a high performance, in-memory storage engine for time series data.

3,178

beringei

The Facebook SDK for PHP provides a native interface to the Graph API and Facebook Login. https://developers.facebook.com/docs/php

3,159

php-graph-sdk

PHP

3,146

react-native-fbsdk

A React Native wrapper around the Facebook SDKs for Android and iOS. Provides access to Facebook login, sharing, graph requests, app events etc.

Python Client for Instagram API

2,993

python-instagram

Conceal provides easy Android APIs for performing fast encryption and authentication of data.

2,966

conceal

WebScaleSQL, Version 5.6, based upon the MySQL-5.6 community releases.

2,966

webscalesql-5.6

Snapshot view unit tests for iOS

2,954

ios-snapshot-test-case

A library that analyzes an Android device's specifications and calculates which year the device would be considered "high end”.

2,674

device-year-class

Binary Optimization and Layout Tool - A linux command-line utility used for optimizing performance of binaries

2,581

BOLT

2,497

pfff

Tools for code analysis, visualizations, or style-preserving source transformation.

OCaml

2,439

fb.resnet.torch

Torch implementation of ResNet from http://arxiv.org/abs/1512.03385 and training scripts

React Hook for accessing state and dispatch from a Redux store

2,243

redux-react-hook

TypeScript

2,164

Surround360

Surround360 is Facebook's open source hardware and software for capturing stereoscopic 3D 360 video for VR. The repo contains hardware designs, as well as software for camera control and rendering.

Xcode-compatible build tool.

2,153

xcbuild

Distributed storage for sequential data

2,000

LogDevice

Memory Networks implementations

1,888

MemNN

Spring dynamics in JavaScript.

1,757

rebound-js

A query analyzer that parses Redis' MONITOR command for counter/timing stats about query patterns

1,754

redis-faina

A Chrome extension that lets you modify running apps without reloading them.

1,749

fb-flo

PlanOut is a library and interpreter for designing online experiments.

1,692

planout

An eventing framework for building high performance and high scalability systems in C.

1,664

libphenom

1,662

flashcache

A general purpose, write-back block cache for Linux.

1,601

python-nubia

A command-line and interactive shell framework.

A library for performance traces from production.

1,595

profilo

1,577

facebook-swift-sdk

Integrate your iOS apps in Swift with Facebook Platform.

Swift

1,519

instagram-ruby-gem

The official gem for the Instagram API

Ruby

1,461

Flicks

A unit of time defined in C++.

Deprecated in favor of https://github.com/facebook/duckling

1,388

duckling_old

Clojure

1,322

connect-js

Legacy JavaScript SDK

Putting Atom in the browser

1,237

atom-in-orbit

A read-eval-print-loop for php

1,183

phpsh

Emacs Lisp

1,160

C3D

C3D is a modified version of BVLC caffe to support 3D ConvNets.

Jupyter Notebook

1,159

sublime-react

Sublime Text helpers for React. Syntax highlighting DEPRECATED in favor of babel/babel-sublime

A better shell for Android devices

1,144

fb-adb

1,139

iTorch

IPython kernel for Torch with visualization and plotting

Jupyter Notebook

1,104

FBAllocationTracker

iOS library that helps tracking all allocated Objective-C objects

Objective-C++

1,094

fbcunn

Facebook's extensions to torch/cunn.

A JS EventEmitter foundation for evented code

1,069

emitter

Bistro is a flexible distributed scheduler, a high-performance framework supporting multiple paradigms while retaining ease of configuration, management, and monitoring.

1,041

bistro

Barebones starting point for a Relay application.

1,040

relay-starter-kit

torchnet

react-meteor

React rendering for Meteor apps

A collection of user interfaces for Atom IDE.

953

atom-ide-ui

Neural Attention Model for Abstractive Summarization

936

NAMAS

nifty

swift

An annotation-based Java library for creating Thrift serializable types and services.

Task generation for testing text understanding and reasoning

889

bAbI-tasks

Facebook's Realtime Distributed FS based on Apache Hadoop 0.20-append

886

hadoop-20

A method to generate speech across multiple speakers

876

loop

A category on WKInterfaceTable that makes configuring tables with multi-dimensional data easier.

872

IGInterfaceDataTable

A Mercurial source control server, specifically designed to support large monorepos.

837

mononoke

822

react-page

Easy Application Development with React JavaScript

[Archive] f8 2014 Conference App

795

f8DeveloperConferenceApp

HTML

761

nailgun

Nailgun is a client, protocol, and server for running Java programs from the command line without incurring the JVM startup overhead.

DNS covert channel implant for Red Teams.

734

WEASEL

Firmware, Schematics, and Mechanicals for the Oculus Rift Development Kit 1

725

RiftDK1

688

jcommon

concurrency, collections, stats/analytics, config, testing, etc

proguard

bootstrapped

Generate bootstrapped confidence intervals for A/B testing in Python.

Library that implements module lazy loading.

631

ig-lazy-module-loader

A community of engineers whose mission is to design and enable the delivery of the most efficient server, storage and data center hardware designs for scalable computing.

630

opencompute

TeX

624

flint

An open-source lint program for C++ developed by, and formerly used at Facebook.

622

fblualib

Facebook libraries and utilities for Lua

Remodel is a tool that helps iOS and OS X developers avoid repetitive code by generating Objective-C models that support coding, value comparison, and immutability.

615

remodel

TypeScript

609

eyescream

natural image generation using ConvNets

Python bridge to JSX & the React JavaScript library.

599

react-python

Experimental iOS library for live transformations on parts of layers.

576

spacetime

A fast preprocessor for C and C++

528

warp

521

100

FBNotifications

Facebook Analytics In-App Notifications Framework